Weather Forecast for Arraial do Cabo

Rio de Janeiro, Brazil

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Patchy rain nearby

Current Weather - Arraial do Cabo: 22°C

Rio de Janeiro, Brazil

Patchy rain nearby

Feels like 22°C

Wind

19 km/h W

Humidity

92%

Pressure

1018 mb

UV Index

0

Visibility

10 km

Patchy rain nearby

Patchy rain nearby

Wednesday, May 20, 2026

High

23°C

Low

21°C

Rain Chance

89%

Hourly Forecast

Patchy rain nearby 21°C
05:00
Patchy rain nearby 21°C
06:00
Patchy rain nearby 21°C
07:00
Patchy rain nearby 21°C
08:00
Light drizzle 22°C
09:00
Patchy rain nearby 22°C
10:00
Patchy rain nearby 22°C
11:00
Patchy rain nearby 23°C
12:00
Patchy rain nearby 23°C
13:00
Patchy rain nearby 23°C
14:00
Patchy light drizzle 23°C
15:00
Patchy rain nearby 22°C
16:00
Light drizzle 22°C
17:00
Patchy rain nearby 22°C
18:00
Patchy rain nearby 22°C
19:00
Light rain shower 22°C
20:00
Light drizzle 22°C
21:00
Light rain shower 22°C
22:00
Light drizzle 22°C
23:00
May 21

Day Statistics

Maximum Wind

20 km/h

Humidity

90%

Precipitation

3 mm

UV Index

4

Visibility

9 km

Rain Chance

89%

Snow Chance

0%

Sun & Moon

Sunrise

06:16 AM

Sunset

05:13 PM

Moonrise

10:18 AM

Moonset

09:16 PM

Moon Phase

Waxing Crescent

Moon Illumination

15%

Air Quality

PM2.5

6

μg/m³

PM10

8.6

μg/m³

NO₂

4.2

μg/m³

O₃

62.6

μg/m³

SO₂

2.7

μg/m³

CO

90

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

When to visit Arraial do Cabo?

Plan your perfect trip with our month-by-month weather guide

⭐ Best months: June July August

January

☀️
27°C
💧
13 Days of rain
❄️
No snowfall

February

☀️
27°C
💧
9 Days of rain
❄️
No snowfall

March

☀️
27°C
💧
16 Days of rain
❄️
No snowfall
🔥 Hottest month
🌧 Wettest month,

April

☀️
26°C
💧
9 Days of rain
❄️
No snowfall

May

☀️
25°C
💧
9 Days of rain
❄️
No snowfall

June

☀️
24°C
💧
5 Days of rain
❄️
No snowfall
Best time to visit

July

☀️
24°C
💧
6 Days of rain
❄️
No snowfall
Best time to visit

August

☀️
23°C
💧
5 Days of rain
❄️
No snowfall
Best time to visit
🥶 Coldest month
🌵 Driest month

September

☀️
23°C
💧
7 Days of rain
❄️
No snowfall

October

☀️
24°C
💧
8 Days of rain
❄️
No snowfall

November

☀️
25°C
💧
15 Days of rain
❄️
No snowfall

December

☀️
26°C
💧
14 Days of rain
❄️
No snowfall